Transition Networks SPS-1872-CC is an external power supply designed for use with Transition Networks stand-alone media converters or similar devices. It offers a wide input power range of 18-60 VDC and 24-30 VRMS, making it suitable for most industrial, telecom, and commercial applications. The SPS-1872-CC features a 12.6 VDC output at 1.0 A maximum, providing enough power to support various devices, including media converters, chassis, and other networking equipment. It also has overload protection, ensuring safe operation even in demanding conditions.
Transition Networks SPS-1872-CC is an external power supply designed for use with Transition Networks stand-alone media converters or similar devices. It offers a wide input power range of 18-60 VDC and 24-30 VRMS, making it suitable for most industrial, telecom, and commercial applications. The SPS-1872-CC features a 12.6 VDC output at 1.0 A maximum, providing enough power to support various devices, including media converters, chassis, and other networking equipment. It also has overload protection, ensuring safe operation even in demanding conditions.
The Transition Networks SPS-1872-xx external power supply provides a wide range
of input power (18-60 VDC and 24-30 VRMS) to accommodate most industrial,
telecom, and commercial applications. The SPS-1872-xx can deliver 12 watts of
power, enough to power all Transition Networks stand-alone media converters as
well as the single-slot (p/n CPSMC0100-20x) and the dual-slot (p/n CPSMC0200-2xx)
chassis.
The 18-60 VDC input allows for the installation of the SPS-1872-xx external power
supply in all popular telecom, commercial, and industrial applications. The 24-30
VRMS input allows for installation of the SPS-1872-xx in remaining industrial
applications as well as HVAC and building control environments.
The 'piggy-back' feature of the SPS-1872-CC, SPS-1872-PS, and SPS-1872-DPS
allows it to physically attach to the media converter chassis and eliminate the power
cable between the power supply and the media converter.
User’s Guide
SPS-1872-xx
External Power Supply
18-60 VDC and 24-30 VRMS
SPS-1872-SA
Installation . . . . . . . . . . . . . . . . . .2
Maintenance . . . . . . . . . . . . . . . .7
Technical Specifications . . . . . . . .8
Compliance Information . . . . . . .10
Contact Us . . . . . . . . . . . . . . . . .11
SPS-1872-CC
SPS-1872-CC (Conversion Center™)
SPS-1872-DPS (Dual PointSystem™)
SPS-1872-PS (PointSystem™)
SPS-1872-SA (Stand-Alone)
SPS-1872-PS
SPS-1872-DPS
2
24-Hour Technical Support: 800-260-1312 -- International: 952-941-7600
SPS-1872-xx
Installation and Service
All Installation and service must be performed by qualified service personnel.
Read and follow all warning notices and instructions marked on the product or
included in the manual.
Required Grounding
This product is intended to be used in a restricted access location Connect the
device to a 48 VDC SELV (Safety Extra Low Voltage) supply that is electrically
isolated from the DC Source. The 48 VDC source is to be reliably connected to
earth (ground). Equipment grounding is vital to ensure safe operation.
Prior to installation, use a voltmeter/ohmmeter to check the wiring for the
presence of earth ground.
Required Disconnect
A readily accessible disconnect device as part of the building installation shall be
incorporated into the fixed wiring. The disconnect device (a 48 VDC, 15 or 20A
circuit breaker or switch) must be included in the ungrounded supply conductor.
Overcurrent protection must be a 15 or 20A, 48 VDC fuse or circuit breaker.
CAUTION: Ensure that the power source is NOT powered when connecting it to
the SPS-1872-xx external power supply. Failure to observe this caution could
result in damage to, and subsequent failure of, the SPS-1872-xx.
CAUTION: Wear a grounding device and observe electrostatic discharge
precautions when installing or servicing the power supply module. Failure to
observe this caution could result in damage to, and subsequent failure of, the
power supply module.
WARNING: The SPS1872 must be attached to a limited current circuit with a
non-hazardous energy level of less than 240VA and be located in a restricted
access area. Failure to observe this warning could result in an electrical shock.
3
Installation -- Continued
SPS-1872-SA (Stand Alone)
NOTE: The SPS-1872-SA external power supply is shipped with four (4)
attached feet.
1. Place on any well-ventilated table-top or shelf with access to a power
source with a range between 18-60 VDC or 24-30 VRMS.
2. Connect the barrel connector on the SPS-1872-SA to the power port of
the media converter or similar device
SPS-1872-CC / SPS-1872-PS / SPS-1872-DPS
The SPS-1872-CC, SPS-1872-PS, and SPS-1872-DPS are designed for three
different types of media converters. Each has slightly different dimensions and
each has the barrel connector in a different location to ensure that each power
supply is used for the proper application.
Note the differences between the three devices below:
SPS-1872-CC
SPS-1872-PS
SPS-1872-DPS
3.125 in.
3.375 in.
3.375 in.
The SPS-1872-CC is designed for the
Transition Networks Conversion
Center™ media converter.
Note that this device is slightly narrower
than the other two devices.
The SPS-1872-PS is designed for the
Transition Networks PointSystem™
media converter.
The SPS-1872-DPS is designed for the
Transition Networks Dual
PointSystem™ media converter.
Note that this device is taller than the
other two devices.
Installation -- Continued
SPS-1872-CC (Conversion Center™)
1. Remove the left-rear and right-rear screws from the Conversion Center™
media converter.
2. Connect the barrel connector on the SPS-1872-CC to the power port of
the media converter The flange of the SPS-1872-CC should slide over
the rear of the media converter as the two devices are connected. The
screw holes on the left and right sides should align.
3. Secure the two devices together by replacing the two screws on either
side of the SPS-1872-CC.
SPS-1872-PS (PointSystem™)
1. Remove the left-rear and right-rear screws from the PointSystem™ media
converter.
2. Connect the barrel connector on the SPS-1872-PS to the power port of
the media converter. The flange of the SPS-1872-PS should slide over the
rear of the media converter as the two devices are connected. The screw
holes on the left and right sides should align.
3. Secure the two devices together by replacing the two screws on either
side of the SPS-1872-PS.
4
24-Hour Technical Support: 800-260-1312 -- International: 952-941-7600
SPS1872-xx
SPS-1872-PS
TN PointSystem
media converter
SPS-1872-CC
TN Conversion Center
media converter
5
Installation -- Continued
SPS-1872-DPS (Dual PointSystem™)
1. Remove the left-rear and right-rear screws from the Dual PointSystem™
media converter.
2. Connect the barrel connector on the SPS-1872-DPS to the power port of
the media converter. The flange of the SPS-1872-DPS should slide over
the rear of the media converter as the two devices are connected. The
screw holes on the left and right sides should align.
3. Secure the two devices together by replacing the two screws on either
side of the SPS-1872-DPS.
SPS-1872-DPS
TN Dual PointSystem
media converter
6
24-Hour Technical Support: 800-260-1312 -- International: 952-941-7600
SPS-1872-xx
GND
-
+
-
+
___
___
___
___
___
___
___
___
123
INPUT
POWER:
123
SPS-1872-x
x
External Power Source
Installation -- Continued
Supplying Power to the SPS-1872-xx
CAUTION: The power source MUST BE TURNED OFF when connecting it to
the SPS-1872-xx external power supply. Failure to observe this caution could
result in damage to, and subsequent failure of, the SPS-1872-xx and any attached
device.
To supply power to the SPS-1872-xx:
1. Ensure that external power source is truned OFF.
2. Connect the positive (+) terminal of the power source to the positive
terminal on the SPS-1872-xx (marked with a “3”). Turn the terminal
screw clockwise to secure it.
3. Connect the negative (-) terminal of the power source to the negative
terminal on the SPS-1872-xx (marked with a “2”). Turn the terminal
screw clockwise to secure.
4. Connect the ground terminal of the power source to the ground terminal
on the SPS-1872-xx (marked with a “1”). Turn the terminal screw
clockwise to secure.
5. Power on the external power source.
WARNING: The SPS1872 must be attached to a limited current circuit with a
non-hazardous energy level of less than 240VA and be located in a restricted
access area. Failure to observe this warning could result in an electrical shock.
7
Maintenance
Replacing the Fuse
CAUTION: The external power source MUST BE POWERED OFF when
replacing the fuse to the SPS-1872-xx external power supply. Failure to observe
this caution could result in damage to, and subsequent failure of, the SPS-1872-
xx and any attached device.
NOTE: Replace the fuse only with one of the same size and rating.
To replace the fuse in the SPS-1872-xx external power supply:
1. Ensure that the external power source is turned OFF.
2. Remove and retain the four (4) screws that secure the cover to the SPS-
1872-xx external power supply.
3. Carefully lift the cover from the SPS-1872-xx.
4. Locate the fuse on the SPS-1872-xx (see the picture below).
5. Carefully remove the fuse the from the fuse holder.
6. Install a same size and rating replacement fuse in the fuse holder.
7. Carefully slide the cover onto the SPS-1872-xx.
8. Replace the four (4) retained screws that secure the cover to the SPS-
1872-xx.
9. Power on the external power source.
8
24-Hour Technical Support: 800-260-1312 -- International: 952-941-7600
SPS1872-xx
Technical Specifications
For use with Transition Networks Model SPS-1872-xx or equivalent.
Product is certified by the manufacturer to comply with DHHS Rule 21/CFR,
Subchapter J applicable at the date of manufacture.
Compliance UL listed EN60950; FCC & CISPR class A; CE Mark
Dimensions
SPS-1872-SA - 3.875 x 3.125 x 1.0 in (98 x 79 x 25 mm)
(length x width x height) SPS-1872-CC - 4.625 x 3.125 x 1.062 in (117 x 79 x 27 mm)
SPS-1872-PS - 4.625 x 3.375 x 1.062 in (117 x 86 x 27 mm)
SPS-1872-DPS - 4.625 x 3.375 x 1.75 in (117 x 86 x 45 mm)
Power Distribution 12.6 VDC at 1.0 A maximum
Power Consumption 6 W maximum @ 18 VDC input, 12.6 W output
Efficiency 70 % (typical)
Noise and Ripple ± 40 mV peak-to-peak
MTBF >290,000 hours Belcore with typical load at 50°C
ambient temperature (calculated according to Belcore).
>834,000 hours with typical load at 50°C ambient
temperature (calculated according to MIL-HDBK-217F).
Environment Tmra*: 0 to 50°C (32 to 122° F )
Storage Temp: -20 to 85°C
Humidity: 5 to 95%, non condensing
Altitude: 0 to 10,000 feet
(*Manufacturer’s rated ambient temperature)
Warranty Lifetime
9
Technical Specifications -- Continued
Input:
Input Voltage 18 - 60 VDC, 24 - 30 VRMS
Isolation Voltage (Dielectric withstand) Meets IEC 950 for one minute
1500 VAC: Output/Input
1500 VAC: Input/Safety GND
1500 VAC: Output/Case
Output:
Output Voltage 12.6 VDC
Output Current 1.0 A
Load Regulation ±5% at 10% load to full-rated load
Over Load Protection (OLP) When the average power rating exceeds 125%-
150% of the maximum power, the output voltage is
reduced to a safe dissipation level. This action protects
against output short circuit.
No Load Operation No damage to power supply when operating at no load.
Transient Protection No voltage spike at power-on, power-off, or power
failure.
10
24-Hour Technical Support: 800-260-1312 -- International: 952-941-7600
SPS-1872-xx
Compliance Information
UL Listed
C-UL Listed (Canada)
CISPR/EN55022 Class A + EN55024
FCC Regulations
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is
likely to cause harmful interference. In which case, the user will be required to correct the
interference at the user’s own expense.
Canadian Regulations
This digital apparatus does not exceed the Class A limits for radio noise for digital apparatus
set out on the radio interference regulations of the Canadian Department of Communications.
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la Class A prescrites dans le Règlement sur le
brouillage radioélectrique édicté par le ministère des Communications du Canada.
European Regulations
Warning
This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
Achtung !
Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb
dieses Gerätes Rundfunkstörungen auftreten. In diesem Fäll ist der Benutzer für
Gegenmaßnahmen verantwortlich.
Attention !
Ceci est un produit de Classe A. Dans un environment domestique, ce produit risque de
créer des interférences radioélectriques, il appartiendra alors à l’utilsateur de prende les
measures spécifiques appropriées.
In accordance with European Union Directive 2002/96/EC of the European
Parliament and of the Council of 27 January 2003, Transition Networks will
accept post usage returns of this product for proper disposal. The contact
information for this activity can be found in the 'Contact Us' portion of this
document.
CAUTION: RJ connectors are NOT INTENDED FOR CONNECTION TO THE
PUBLIC TELEPHONE NETWORK. Failure to observe this caution could result in
damage to the public telephone network.
Der Anschluss dieses Gerätes an ein öffentlickes Telekommunikationsnetz in den EG-
Mitgliedstaaten verstösst gegen die jeweligen einzelstaatlichen Gesetze zur Anwendung der
Richtlinie 91/263/EWG zur Angleichung der Rechtsvorschriften der Mitgliedstaaten über
Telekommunikationsendeinrichtungen einschliesslich der gegenseitigen Anerkennung ihrer
Konformität.
11
Declaration of Conformity
Name of Mfg: Transition Networks
6475 City West Parkway, Minneapolis MN 55344 U.S.A.
Model: SPS-1872-xx External Power Supply
Part Number: SPS-1872-SA, SPS-1872-CC, SPS-1872-PS, SPS-1872-DPS
Regulation: EMC Directive 89/336/EEC
Purpose: To declare that the SPS-1872-xx to which this declaration refers is in
conformity with the following standards.
CISPR 22:1997+A1:2000; EN 55022:1998+A1:2000 Class A; FCC Part 15 subpart B;
EN55024:1998; UL Listed
I, the undersigned, hereby declare that the equipment specified above conforms to the above
Directive(s) and Standard(s).
May 23, 2006_____
Stephen Anderson, Vice-President of Engineering Date
Contact Us
Technical Support
Technical support is available 24 hours a day.
United States: 1-800-260-1312
International: 00-1-952-941-7600
Transition Now
Chat live via the Web with Transition Networks Technical Support.
Log onto www.transition.com and click the Transition Now link.
Web-Based Seminars
Transition Networks provides seminars via live web-based training.
Log onto www.transition.com and click the Learning Center link.
E-Mail
Ask a question anytime by sending an e-mail to our technical support staff.
Address
Transition Networks
6475 City West Parkway
Minneapolis, MN 55344, U.S.A.
telephone: 952-941-7600
toll free: 800-526-9267
fax: 952-941-2322
Trademark Notice
All trademarks and registered trademarks are the property of their respective owners.
Copyright Restrictions
© 2003, 2005 Transition Networks.
All rights reserved. No part of this work may be reproduced or used in any form or by any
means – graphic, electronic, or mechanical – without written permission from Transition
Networks.
Printed in the U.S.A.
33266.E
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Transition Networks SPS-1872-CC User manual
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Transition Networks SPS-1872-CC is an external power supply designed for use with Transition Networks stand-alone media converters or similar devices. It offers a wide input power range of 18-60 VDC and 24-30 VRMS, making it suitable for most industrial, telecom, and commercial applications. The SPS-1872-CC features a 12.6 VDC output at 1.0 A maximum, providing enough power to support various devices, including media converters, chassis, and other networking equipment. It also has overload protection, ensuring safe operation even in demanding conditions.
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